#31729C#31729C
#31729C is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.093 H 240.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #31729C |
|---|---|
| RGB | rgb(49, 114, 156) |
| HSL | hsl(204, 52%, 40%) |
| HSV | hsv(204, 69%, 61%) |
| CMYK | cmyk(68.6%, 26.9%, 0%, 38.8%) |
| CIE-LAB | lab(45.75, -6.71, -28.76) |
| CIE-LCH | lch(45.75, 29.53, 256.87°) |
| OKLab | oklab(52.91% -0.0464 -0.081) |
| OKLCH | oklch(52.91% 0.093 240.2) |
| XYZ | xyz(13.2824, 15.0865, 33.6580) |
| Luminance | 0.1509 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Muted Blue
#3B719F
ΔE00 2.44
Ocean Blue (survey)
#03719C
ΔE00 3.09
Dull Blue
#49759C
ΔE00 3.56
Flat Blue
#3C73A8
ΔE00 3.69
Nice Blue
#107AB0
ΔE00 3.83
Cadet Blue
#4E7496
ΔE00 4.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31729C #9C5B31
analogous
#319C90 #31729C #313D9C
triadic
#31729C #9C3172 #729C31
tetradic
#31729C #90319C #9C5B31 #3D9C31
square
#31729C #90319C #9C5B31 #3D9C31
split-complementary
#31729C #9C313D #9C9031
monochromatic
#142E3F #22506D #31729C #4593C5 #74AED3
Accessibility & contrast
On white
5.23
#31729C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.02
#31729C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #31729C
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31729C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##31729C | 1.00 | 5.23 | 4.02 | 5.23 |
| #FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F729E
Deuteranopia (green-blind)
#50689B
Tritanopia (blue-blind)
#007C80
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #31729c; /* rgb */ color: rgb(49, 114, 156); /* oklch */ color: oklch(52.9% 0.093 240.2);
Tailwind
colors: {
custom: {
50: '#769ab9',
500: '#31729c',
950: '#000000',
},
}SCSS
$custom: #31729c; $custom-light: #769ab9; $custom-dark: #000000;
JSON
{
"hex": "#31729c",
"rgb": {
"r": 49,
"g": 114,
"b": 156
},
"hsl": {
"h": 203.551,
"s": 52.195,
"l": 40.196
},
"oklch": {
"l": 0.52912,
"c": 0.09334,
"h": 240.2
},
"luminance": 0.15088
}Semantic roles & 50–950 ramp
primary
#31729C
secondary
#BB8C6D
accent
#844CDC
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#090E11
muted
#7B7E80